“Study the Economy of Bubble Deck Slab by Using a Polypropylene Ball: Enhancing Structural Efficiency and Economy through the Use of Polypropylene Balls in Bubble Deck Slabs”. Journal of Advances and Scholarly Researches in Allied Education, vol. 15, no. 2, Apr. 2018, pp. 449-51, https://ignited.in/index.php/jasrae/article/view/7964.